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SN74LS181N - Texas Instruments

Description: ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS

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SN74LS181N - Texas Instruments - PCB symbol
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SN74LS181N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T**)
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SN74LS181N - Texas Instruments - 3D model - Dual-In-Line Packages - N (R-PDIP-T**)
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SN74LS181N Details

  • Manufacturer Part Number:

    SN74LS181N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    ROHS COMPLIANT, PLASTIC, DIP-24

  • Pin Count:

    24

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    CAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T24

  • JESD-609 Code:

    e4

  • Length:

    31.75 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    ARITHMETIC LOGIC UNIT

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP24,.6

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    37 mA

  • Propagation Delay (tpd):

    62 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    15.24 mm

SN74LS181N Frequently Asked Questions (FAQs)

  • The SN74LS181N can handle clock frequencies up to 10 MHz.
  • The SN74LS181N provides four arithmetic logic unit (ALU) functions: addition, subtraction, AND, and OR. To implement these functions, you need to connect the inputs and outputs accordingly. For example, to perform addition, connect the A and B inputs to the data inputs, and the carry-in (CI) input to the carry-in signal. The result will be available at the outputs.
  • The power consumption of the SN74LS181N depends on the operating frequency and the load capacitance. According to the datasheet, the typical power consumption is around 45 mW at 5V and 10 MHz.
  • The propagation delay of the SN74LS181N is around 10-15 ns. To handle this delay, you can use a clock signal with a sufficient setup and hold time to ensure that the data is stable before the clock edge. You can also use a synchronizer circuit to synchronize the data with the clock signal.
  • The SN74LS181N is specified to operate at 5V, but it can also be used in a 3.3V system with some limitations. The device will still function, but the output voltage levels may not be compatible with 3.3V logic. You may need to use level translators or voltage regulators to ensure compatibility.

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SN74LS181N Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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